Cocoon Nebula, a LHa-LRHaGB picture taken 17. & 19. July 2014

[NielsVChr]

Hi,
the cocoon nebula taken 17. & 19. July-2014, less than 10km from the city center of Copenhagen, Denmark.

As said in the header, it is a LHa-LRHaGB picture taken with LX200ACF 16" telescope and Atik 460ex mono camera, baader filters used.
Exposure times are: Lum=35*30sec+22*60sec, R=14*60sec, G=15*60sec, B=21*60sec, Ha=8*5min.
Thanks for looking.
Kind regards Niels

[NielsVChr]

... had time time during the night of the 20. July 2014 to add Ha=18*5min. to the picture,

Kind regards Niels

[NielsVChr]

... my last night, 22. July 2014, together with this object. Was able to get in total 6,4hours exposure of this nebula. The picture is composed as a 2LHa-RHaGB picture,

Thanks for looking. Kind regards Niels

[MikeM]

Very nice Niels. The extra time on the second image helped a lot bringing out the shell.

[NielsVChr]

Thanks Mike, appreciate your comments. Kind regards Niels

[NielsVChr]

... during start August, I was able to get more raw data, now added to the above picture data, OIII=14*5min. and SII=19*5min.

It's now a 9,1 hours 2LHa-RHaSII,GOIII,BOIII picture taken during July-August 2014.
Kind regards Niels

[NielsVChr]

... For now this is the "final" one, same raw data as the above picture, but not cropped as much,

A 16bit tiff is here,
https://dl.dropboxusercontent.com/u/10089041/Test1/IC5146-CocoonNebula05-08-2014-70.tif
The picture size is 70% of the original size.
Kind regards Niels